package E1;

class A{

    double f(double x,double y){
        return x+y;
    }

    static int g(int n){
        return n * n;
    }

}

class B extends A{
    double f(double x,double y){
        double m=super.f(x,y);
        return m+x*y;
    }

    static int g(int n){
        int m = A.g(n);
        return m+n;
    }

}

public class E1 {
    public static void main(String[] args){
        B b = new B();
        System.out.println(b.f(10.0,8.0));
        System.out.println(b.g(3));
    }
}
